AirHint found the following cheapest return flights from Southend (SEN) to Ljubljana (LJU) in December 2025 (see full year).

Return flights

11 Dec - 15 Dec	easyJet
14 Dec - 17 Dec	easyJet
18 Dec - 22 Dec	easyJet
17 Dec - 04 Jan	easyJet
18 Dec - 04 Jan	easyJet
11 Dec - 16 Dec	easyJet
14 Dec - 04 Jan	easyJet
31 Dec - 04 Jan	easyJet
17 Dec - 21 Dec	easyJet
18 Dec - 21 Dec	easyJet
14 Dec - 18 Dec	easyJet
16 Dec - 04 Jan	easyJet
24 Dec - 30 Dec	easyJet
16 Dec - 21 Dec	easyJet
11 Dec - 18 Dec	easyJet
21 Dec - 04 Jan	easyJet
28 Dec - 04 Jan	easyJet
28 Dec - 01 Jan	easyJet
27 Dec - 01 Jan	easyJet
14 Dec - 11 Jan	easyJet

Also check the deals for one-way flights from Southend to Ljubljana in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Southend to Ljubljana in December from 236€

Return flights